Trans-Neptunian Object Definition
trănsnĕp-to͝onē-ən, -tyo͝o-, trănz-
noun
A celestial object that orbits the sun at a greater distance on average than Neptune.
American Heritage
Other Word Forms of Trans-Neptunian Object
Noun
Singular:
trans-Neptunian object
Plural:
trans-neptunian-objectsFind Similar Words
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